Fig. 20.
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Example of a Lyα emitter with extended Lyα emission, offseted with respect to its potential HST counterpart. The two first panels display the Lyα narrowband and HST F775W images. The units of the image axes are physical kpc. The right panel shows the Lyα profile and its fit with a skewed Gaussian. Observed wavelength and flux units are respectively Å and 10−20 erg s−1 cm−2 Å−1.
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